Climent M, Hidalgo N, Vidal O, Puig S, Iglesias M, Cuatrecasas M, Ramon JM, Garcia-Albeniz X, Grande L, Pera M. Postoperative complications do not impact on recurrence and survival after curative resection of gastric cancer. Eur J Surg Oncol. 2016 Jan;42(1):132-9. doi: 10.1016/j.ejso.2015.08.163
Britt (DiBenedetti) DM, Collins FL, Cohen LM. Cigarette smoking and chewing gum use among college students. J Appl Biobehav Res. 2007 Jun 4;4(2):85-90. doi: 10.1111/j.1751-9861.1999.tb00057.x